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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2008-08-29 18:59:13 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2008-08-29 18:59:13 +0000
commit2803a214a56ef34499f07d08febf0283a02e0e08 (patch)
tree60c9d72ca2cc8e6c55dbfe40008bdbd5f5759039 /gcc/fold-const.c
parentb61ffa4ff25b5b5f1810faf684ef834a017eb6b5 (diff)
downloadgcc-2803a214a56ef34499f07d08febf0283a02e0e08.tar.gz
PR c/37261
* fold-const.c (fold_binary): In (X | C1) & C2 canonicalization compute new & and | in type rather than TREE_TYPE (arg0). * gcc.dg/pr37261.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139784 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fold-const.c')
-rw-r--r--gcc/fold-const.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index af1643376f1..01936bd55fd 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -10737,14 +10737,13 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1)
&& TREE_CODE (arg1) == INTEGER_CST
&& TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST)
{
- tree tmp1 = fold_convert (TREE_TYPE (arg0), arg1);
- tree tmp2 = fold_build2 (BIT_AND_EXPR, TREE_TYPE (arg0),
- TREE_OPERAND (arg0, 0), tmp1);
- tree tmp3 = fold_build2 (BIT_AND_EXPR, TREE_TYPE (arg0),
- TREE_OPERAND (arg0, 1), tmp1);
+ tree tmp1 = fold_convert (type, arg1);
+ tree tmp2 = fold_convert (type, TREE_OPERAND (arg0, 0));
+ tree tmp3 = fold_convert (type, TREE_OPERAND (arg0, 1));
+ tmp2 = fold_build2 (BIT_AND_EXPR, type, tmp2, tmp1);
+ tmp3 = fold_build2 (BIT_AND_EXPR, type, tmp3, tmp1);
return fold_convert (type,
- fold_build2 (BIT_IOR_EXPR, TREE_TYPE (arg0),
- tmp2, tmp3));
+ fold_build2 (BIT_IOR_EXPR, type, tmp2, tmp3));
}
/* (X | Y) & Y is (X, Y). */